Home / 246,404.30-340,037.85-138,974.09

Finding the Fourth Proportional to 246,404.30, 340,037.85 and 138,974.09

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Solution

The fourth proportional to 246,404.30, 340,037.85 and 138,974.09 is: 191,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,404.30 : 340,037.85 = 138,974.09 : x
  2. Step 2: Convert to fraction form
    246,404.30/340,037.85 = 138,974.09/x
  3. Step 3: Cross multiply
    246,404.30x = 340,037.85 × 138,974.09
  4. Step 4: Simplify right side
    246,404.30x = 47,256,450,769.31
  5. Step 5: Solve for x
    x = 47,256,450,769.31/246,404.30
  6. Step 6: Final answer
    x = 191,784.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.